Tortoise sign



FIG. 1 is a perspective front view of the tortoise sign;

FIG. 2 is a front view of the tortoise sign;

FIG. 3 is a rear view of the tortoise sign;

FIG. 4 is a left view of the tortoise sign;

FIG. 5 is a right view of the tortoise sign;

FIG. 6 is a top view of the tortoise sign; and,

FIG. 7 is a bottom view of the tortoise sign. 

CLAIM The ornamental design for a tortoise sign, as shown and described. 